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You searched for: subject:"Mines and mineral resources Pennsylvania."
[texts]Topographic and Geologic Survey of Pennsylvania Report No. 4: The Mineral Pigments of Pennsylvania - Benjamin L. Miller
By Benjamin L. Miller Harrisburg: C. E. Aughinbaugh, Printer to the State of Pennsylvania, 1911
Keywords: Mines and mineral resources Pennsylvania
Downloads: 61
[texts]Minerals of Pennsylvania; Topographic and Geologic Survey of Pennsylvania, Report No. 9; 1913 - Amos P. Brown and Frederick Ehrenfeld
Topographic and Geologic Survey of PennsylvaniaRichard R. Rice, State GeologistReport No. 9Harrisburg, PAWM. Stanley Ray, State Printer1913
Keywords: Mines and mineral resources Pennsylvania
Downloads: 74
[texts]Topographic and Geologic Survey of Pennsylvania Report No. 6: Graphite Deposits of Pennsylvania - Benjamin L. Miller
By Benjamin L. Miller Harrisburg: C. E. Aughinbaugh, Printer to the State of Pennsylvania, 1912
Keywords: Mines and mineral resources Pennsylvania; Graphite Pennsylvania
Downloads: 170
[texts]The pictorial sketch-book of Pennsylvania : or, its scenery, internal improvements, resources, and agriculture, popularly described - Bowen, Eli, b. 1824
Off-hand sketches : pt. I. The valley of the Schuylkill ; pt. II. The anthracite coal formation ; pt. III. Wyoming.--Locomotive sketches, with pen and pencil. From Philadelphia to Pittsburg.--Pedestrian sketches : pt. IV. Sunbury to Lake Erie
Keywords: Mines and mineral resources -- Pennsylvania; Pennsylvania -- Description and travel
Downloads: 459
[texts]The pictorial sketch-book of Pennsylvania : or, its scenery, internal improvements, resources, and agriculture - Bowen, Eli, b. 1824
Off-hand sketches: pt. I. The valley of the Schuylkill; pt. II. The anthracite coal formation; pt. III. Wyoming.--Locomotive sketches, with pen and pencil. From Philadelphia to Pittsburg.--Pedestrian sketches: pt. IV. Sunbury to Lake Erie
Keywords: Mines and mineral resources -- Pennsylvania; Pennsylvania -- Description and travel
Downloads: 545
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